// @target: es5
var lambda1 = (y = "hello")=>{
};
var lambda2 = (x, y = "hello")=>{
};
var lambda3 = (x, y = "hello", ...rest)=>{
};
var lambda4 = (y = "hello", ...rest)=>{
};
var x = function(str = "hello", ...rest) {
};
var y = function(num = 10, boo = false, ...rest) {
}();
var z = function(num, boo = false, ...rest) {
}(10);
